// The NSpring Framework for .NET
// Copyright (c) 2003, Jeffrey Varszegi
// All rights reserved.
// 
// Redistribution and use in source and binary forms, with or without modification, 
// are permitted provided that the following conditions are met:
// 
// - Redistributions of source code must retain the above copyright notice, this 
// list of conditions and the following disclaimer.
// 
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// materials provided with the distribution.
// 
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// be used to endorse or promote products derived from this software without 
// specific prior written permission from the copyright owner.
// 
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namespace NSpring.Logging.Loggers {

using System;
using System.Text;

using NSpring.Logging.EventFormatters;

/// <summary>
/// <para>
/// A Logger implementation that provides the ability to write to the system console.
/// The formatter used by default is an instance of PatternEventFormatter.
/// </para>
/// </summary>
public class ConsoleLogger : Logger {
    
    /// <summary>
    /// Constructs a new instance using the default pattern of "{timestamp}  {message}"
    /// </summary>
    public ConsoleLogger() {
        eventFormatter = new PatternEventFormatter("{ts}  {msg}");
    }
    
    /// <summary>
    /// Constructs a new instance
    /// </summary>
    /// <param name="_pattern">The pattern with which to format output</param>
    public ConsoleLogger(string _pattern) {
        if (_pattern == null) {
            throw new ArgumentNullException();
        }
        eventFormatter = new PatternEventFormatter(_pattern);
        Open();
    }
    
    /// <summary>
    /// Writes an event to the system console
    /// </summary>
    /// <param name="_event">The event to write</param>
    protected override void Write(Event _event) {
        Console.WriteLine(eventFormatter.Format(_event));
    }
    
    /// <summary>
    /// Writes events to the system console
    /// </summary>
    /// <param name="events">The list of events to write</param>
    /// <param name="length">The number of events to write</param>
    protected override void Write(Event[] events, int length) {
        for(int x = 0; x < length; x++) {
            Console.WriteLine(eventFormatter.Format(events[x]));
        }
    }

}

}
